Marijuana use could increase heart attack risk, according to a study with input from local doctors published Wednesday in the Journal of the American Heart Association.

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Marijuana use could increase heart attack risk, according to a study with input from local doctors published Wednesday in the Journal of the American Heart Association.

"Most people think marijuana is safe to use ... even some doctors, but it was found that it can give you significant health problems," said Marshfield Clinic cardiologist Dr. Shereif Rezkalla, who wrote the editorial that accompanied the study.

About 2 percent of marijuana-related health complications reported between 2006 and 2010 to the French Addictovigilance Network, which monitors drug abuse, were ...